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05-20-2016, 11:47 AM
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#41
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Guru
City: gulf coast
Join Date: Jun 2014
Posts: 3,440
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I first set the temp high. Then occasionally used the humidity setting but noticed that the water lines would grow more stuff if that was running. So then I just hooked up a small fan to move air around. That seemed to work as well and running the ac or the humidity setting.
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05-20-2016, 01:17 PM
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#42
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Guru
City: New Orleans
Vessel Name: Panache
Vessel Model: Viking 43 Double Cabin '76
Join Date: Mar 2011
Posts: 1,253
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With 85-90 degree injection temperature from May to September, my old A/Cs still do a good job. However, I do not leave them in operation full time - only when aboard. Yep, pretty warm when you first get aboard. Give the AC 15-20 minutes and it's OK. At 45 minutes, fine.
I can't see wasting the energy and running equipment to avoid the initial discomfort.
As to mold/mildew - I do keep a carpet dryer fan (similar to this: Lasko Pro-Performance High Velocity Pivoting Blower Fan-4905 - The Home Depot) running 24/7, winter and summer. The way my boat is laid out, the fan projects a sensible air stream from the V-berth doorway all the way through the galley and saloon, to the aft cabin. Moving air = mold suppression.
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05-20-2016, 01:35 PM
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#43
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Guru
City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 9,046
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Quote:
Originally Posted by BandB
Water temperature in Rockport TX in August-89 degrees. Galveston Bay 87 degrees. Cannon Bay, FL 90 in June (it's on the gulf coast). Miami peaks at 86.
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yeah, I see what you mean. So there is no relief by having the water cooling the hull.
FWIW, I have used dehumidifiers on my last two boats. It runs full time when at our home dock. I always set it on the galley counter and had it drain into the sink. Sailboaters would get all worried that I wasn't closing the galley sink thru hull when leaving the boat, power boaters don't seem to care. I have yet to put the dehumidifier on the new boat. I will do it it likely in the fall when the humidity starts to rise and the temps start to cool. Doing that keeps the boat bone dry even in our winters.
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05-20-2016, 01:41 PM
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#44
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Guru
City: Fort Lauderdale. Florida, USA
Join Date: Jan 2014
Posts: 21,449
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Quote:
Originally Posted by dhays
yeah, I see what you mean. So there is no relief by having the water cooling the hull.
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Wifey B: Oh but the water is wonderful to bathe in, like a heated spa....
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05-20-2016, 02:02 PM
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#45
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Guru
City: Jacksonville
Vessel Name: SONAS
Vessel Model: Grand Alaskan 53
Join Date: May 2014
Posts: 7,235
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Quote:
Originally Posted by dhays
yeah, I see what you mean. So there is no relief by having the water cooling the hull.
FWIW, I have used dehumidifiers on my last two boats. It runs full time when at our home dock. I always set it on the galley counter and had it drain into the sink. Sailboaters would get all worried that I wasn't closing the galley sink thru hull when leaving the boat, power boaters don't seem to care. I have yet to put the dehumidifier on the new boat. I will do it it likely in the fall when the humidity starts to rise and the temps start to cool. Doing that keeps the boat bone dry even in our winters.
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My brother bumped his sailboat aground on an outgoing tide last year right outside the marina. It dried out on the sand so he put out a kedge and walked ashore. When the water started getting close to lifting the boat he went back to it to find it flooded with water coming up through the head sink. Cost him thousands, new iPad, new fridge, etc. etc. If he had left it another 45 minutes or so he may have not be able to bail it out before the water reached the gunnel.
The big difference is the keel. A sail boat, (unless bilge keel) lies on its side. A powerboat tends to sit on its bottom.
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05-20-2016, 02:50 PM
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#46
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Guru
City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 9,046
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Quote:
Originally Posted by menzies
My brother bumped his sailboat aground on an outgoing tide last year right outside the marina. It dried out on the sand so he put out a kedge and walked ashore. When the water started getting close to lifting the boat he went back to it to find it flooded with water coming up through the head sink. Cost him thousands, new iPad, new fridge, etc. etc. If he had left it another 45 minutes or so he may have not be able to bail it out before the water reached the gunnel.
The big difference is the keel. A sail boat, (unless bilge keel) lies on its side. A powerboat tends to sit on its bottom.
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Like your brother, I doubt that I would have thought about closing the thru-hulls in his situation. What a bummer.
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05-20-2016, 04:40 PM
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#47
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Senior Member
City: Cape Cod, MA or Fort Myers, FL
Vessel Name: Osprey
Vessel Model: Her Shine. Newburyport
Join Date: Dec 2013
Posts: 389
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I'm in South West Florida very warm 90* +/- canal water plus hard growth in my strainers in four to six weeks if used everyday, (growth looks like tiny mussels). A cheap non programmable home window air conditioner on a mechanical clock timer is what I use. (First power outage and the fancy auto/programable need to be reset by a person.)
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05-24-2016, 07:39 PM
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#48
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Guru
City: Houma, Louisiana
Vessel Name: M/V LUNASEA
Vessel Model: 45ft Bluewater Coastal
Join Date: Aug 2014
Posts: 529
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Quote:
Originally Posted by Mule
Shade all exposed to the sun decks that have overhead in cabin or staterooms. If you can draw tarps down to rails to protect bulkheads all the better. Go to fore or aft hatch and install a strong fan blowing out. Go to the opposite end of the boat and open a hatch, a large hatch or 2 Windows. Close all other Windows, hatches, doors and so forth. Suck air in and pull through the boat and blow it out. You should be ok with the attic fan concept.
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I used the attic fan concept the pass few days and did notice a difference
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05-24-2016, 08:22 PM
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#49
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Member
City: Pensacola
Vessel Model: 1966, 47 ft, Chris Craft Commander
Join Date: Jul 2014
Posts: 23
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Would not leave AC units running unatended here in the FL Panhandle. We're on the Gulf Coast Intracoastal Waterway between two passes, and we get inundated with jelly fish at times. Even with an oversize water pump and sea strainer, they can shut down an AC system in a few hours.
__________________
On our way to "Living the Dream".
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05-24-2016, 09:59 PM
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#50
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Guru
City: Madeira Beach, FL
Vessel Name: Seaweed
Vessel Model: Schucker mini-trawler
Join Date: Oct 2011
Posts: 1,236
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Quote:
Originally Posted by Capecodder
I'm in South West Florida very warm 90* +/- canal water plus hard growth in my strainers in four to six weeks if used everyday, (growth looks like tiny mussels).
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One old timer's trick it to put a few pennies or copper pipes into your sea strainer. Use pre 1981 pennies because they are copper. When the pennies turn pink, replace them.
It will keep those little mussels away and kill anything else in there.
I've never had anything in my sea strainer.
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05-25-2016, 06:20 AM
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#51
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Guru
City: Hill Country TX/S.Portland Maine
Vessel Name: bout’ time
Vessel Model: Grady White 282 Sailfish
Join Date: Jul 2012
Posts: 642
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Quote:
Originally Posted by dwhatty
Or keep your boat in Maine.
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We found doing this worked quite well
__________________
..."some gave all, KIA"...
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05-25-2016, 08:13 AM
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#52
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TF Site Team
City: Paris,TN
Vessel Name: Slo-Poke
Vessel Model: Jorgensen custom 44
Join Date: Jan 2013
Posts: 3,749
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Roof top air with 1/2" pvc pipe over the side for drain . Kinda tacky but keeps the house cold .
__________________
Marty
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